کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8862863 | 1620127 | 2018 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Effects of substrate depth and precipitation characteristics on stormwater retention by two green roofs in Portland OR
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
فرآیندهای سطح زمین
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Effects of substrate depth and precipitation characteristics on stormwater retention by two green roofs in Portland OR Effects of substrate depth and precipitation characteristics on stormwater retention by two green roofs in Portland OR](/preview/png/8862863.png)
چکیده انگلیسی
Over the study period, the 125â¯mm and 75â¯mm green roofs retained 32.9% and 23.2% of all precipitation by volume, respectively. The hydrologic response of the green roofs during individual storm events was found to depend strongly on the total depth of the storm event as well as the length of the antecedent dry weather period. Differences in performance between the two substrate depths were most pronounced for small storms with long antecedent dry weather periods. Both green roofs showed strong seasonal dependence in storm water retention, with higher percent retention in the relatively dry summer months compared to lower retention in the wetter winter months. These findings have important implications for the effective installation of green roofs for stormwater management in our region. Because of the increased frequency of storm events during the Pacific Northwest winters, it is imperative that efforts to increase storage capacity through increased substrate depth be paired with efforts to ensure rapid removal. If deeper substrates are to be utilized effectively; more research is needed to identify ways to increase evapotranspiration, for example via more informed plant selection, during wet winter months.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Hydrology: Regional Studies - Volume 18, August 2018, Pages 110-118
Journal: Journal of Hydrology: Regional Studies - Volume 18, August 2018, Pages 110-118
نویسندگان
Isaac Schultz, David J. Sailor, Olyssa Starry,